057367bf4f
Introduces support for FSR2 as a new upscaler option available from the project settings. Also introduces an specific render list for surfaces that require motion and the ability to derive motion vectors from depth buffer and camera motion.
321 lines
11 KiB
C++
321 lines
11 KiB
C++
/**************************************************************************/
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/* sky.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef SKY_RD_H
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#define SKY_RD_H
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#include "core/templates/rid_owner.h"
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#include "servers/rendering/renderer_compositor.h"
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#include "servers/rendering/renderer_rd/pipeline_cache_rd.h"
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#include "servers/rendering/renderer_rd/shaders/environment/sky.glsl.gen.h"
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#include "servers/rendering/renderer_rd/storage_rd/material_storage.h"
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#include "servers/rendering/renderer_scene_render.h"
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#include "servers/rendering/rendering_device.h"
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#include "servers/rendering/shader_compiler.h"
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// Forward declare RendererSceneRenderRD so we can pass it into some of our methods, these classes are pretty tightly bound
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class RendererSceneRenderRD;
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class RenderSceneBuffersRD;
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namespace RendererRD {
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class SkyRD {
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public:
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enum SkySet {
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SKY_SET_UNIFORMS,
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SKY_SET_MATERIAL,
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SKY_SET_TEXTURES,
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SKY_SET_FOG,
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};
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const int SAMPLERS_BINDING_FIRST_INDEX = 4;
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// Skys need less info from Directional Lights than the normal shaders
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struct SkyDirectionalLightData {
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float direction[3];
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float energy;
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float color[3];
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float size;
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uint32_t enabled;
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uint32_t pad[3];
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};
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private:
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RD::DataFormat texture_format = RD::DATA_FORMAT_R16G16B16A16_SFLOAT;
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enum SkyTextureSetVersion {
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SKY_TEXTURE_SET_BACKGROUND,
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SKY_TEXTURE_SET_HALF_RES,
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SKY_TEXTURE_SET_QUARTER_RES,
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SKY_TEXTURE_SET_CUBEMAP,
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SKY_TEXTURE_SET_CUBEMAP_HALF_RES,
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SKY_TEXTURE_SET_CUBEMAP_QUARTER_RES,
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SKY_TEXTURE_SET_MAX
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};
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enum SkyVersion {
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SKY_VERSION_BACKGROUND,
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SKY_VERSION_HALF_RES,
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SKY_VERSION_QUARTER_RES,
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SKY_VERSION_CUBEMAP,
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SKY_VERSION_CUBEMAP_HALF_RES,
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SKY_VERSION_CUBEMAP_QUARTER_RES,
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SKY_VERSION_BACKGROUND_MULTIVIEW,
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SKY_VERSION_HALF_RES_MULTIVIEW,
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SKY_VERSION_QUARTER_RES_MULTIVIEW,
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SKY_VERSION_MAX
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};
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struct SkyPushConstant {
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float orientation[12]; // 48 - 48
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float projection[4]; // 16 - 64
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float position[3]; // 12 - 76
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float time; // 4 - 80
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float pad[3]; // 12 - 92
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float luminance_multiplier; // 4 - 96
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// 128 is the max size of a push constant. We can replace "pad" but we can't add any more.
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};
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struct SkyShaderData : public RendererRD::MaterialStorage::ShaderData {
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bool valid = false;
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RID version;
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PipelineCacheRD pipelines[SKY_VERSION_MAX];
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Vector<ShaderCompiler::GeneratedCode::Texture> texture_uniforms;
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Vector<uint32_t> ubo_offsets;
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uint32_t ubo_size = 0;
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String code;
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bool uses_time = false;
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bool uses_position = false;
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bool uses_half_res = false;
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bool uses_quarter_res = false;
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bool uses_light = false;
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virtual void set_code(const String &p_Code);
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virtual bool is_animated() const;
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virtual bool casts_shadows() const;
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virtual RS::ShaderNativeSourceCode get_native_source_code() const;
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SkyShaderData() {}
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virtual ~SkyShaderData();
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};
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void _render_sky(RD::DrawListID p_list, float p_time, RID p_fb, PipelineCacheRD *p_pipeline, RID p_uniform_set, RID p_texture_set, const Projection &p_projection, const Basis &p_orientation, const Vector3 &p_position, float p_luminance_multiplier);
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public:
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struct SkySceneState {
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struct UBO {
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float combined_reprojection[RendererSceneRender::MAX_RENDER_VIEWS][16]; // 2 x 64 - 128
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float view_inv_projections[RendererSceneRender::MAX_RENDER_VIEWS][16]; // 2 x 64 - 256
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float view_eye_offsets[RendererSceneRender::MAX_RENDER_VIEWS][4]; // 2 x 16 - 288
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uint32_t volumetric_fog_enabled; // 4 - 292
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float volumetric_fog_inv_length; // 4 - 296
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float volumetric_fog_detail_spread; // 4 - 300
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float volumetric_fog_sky_affect; // 4 - 304
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uint32_t fog_enabled; // 4 - 308
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float fog_sky_affect; // 4 - 312
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float fog_density; // 4 - 316
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float fog_sun_scatter; // 4 - 320
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float fog_light_color[3]; // 12 - 332
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float fog_aerial_perspective; // 4 - 336
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float z_far; // 4 - 340
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uint32_t directional_light_count; // 4 - 344
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uint32_t pad1; // 4 - 348
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uint32_t pad2; // 4 - 352
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};
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UBO ubo;
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uint32_t view_count = 1;
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Transform3D cam_transform;
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Projection cam_projection;
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SkyDirectionalLightData *directional_lights = nullptr;
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SkyDirectionalLightData *last_frame_directional_lights = nullptr;
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uint32_t max_directional_lights;
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uint32_t last_frame_directional_light_count;
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RID directional_light_buffer;
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RID uniform_set;
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RID uniform_buffer;
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RID fog_uniform_set;
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RID default_fog_uniform_set;
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RID fog_shader;
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RID fog_material;
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RID fog_only_texture_uniform_set;
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} sky_scene_state;
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struct ReflectionData {
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struct Layer {
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struct Mipmap {
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RID framebuffers[6];
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RID views[6];
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Size2i size;
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};
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Vector<Mipmap> mipmaps; //per-face view
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Vector<RID> views; // per-cubemap view
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};
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struct DownsampleLayer {
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struct Mipmap {
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RID view;
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Size2i size;
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// for mobile only
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RID views[6];
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RID framebuffers[6];
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};
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Vector<Mipmap> mipmaps;
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};
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RID radiance_base_cubemap; //cubemap for first layer, first cubemap
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RID downsampled_radiance_cubemap;
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DownsampleLayer downsampled_layer;
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RID coefficient_buffer;
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bool dirty = true;
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Vector<Layer> layers;
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void clear_reflection_data();
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void update_reflection_data(int p_size, int p_mipmaps, bool p_use_array, RID p_base_cube, int p_base_layer, bool p_low_quality, int p_roughness_layers, RD::DataFormat p_texture_format);
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void create_reflection_fast_filter(bool p_use_arrays);
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void create_reflection_importance_sample(bool p_use_arrays, int p_cube_side, int p_base_layer, uint32_t p_sky_ggx_samples_quality);
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void update_reflection_mipmaps(int p_start, int p_end);
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};
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/* Sky shader */
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struct SkyShader {
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SkyShaderRD shader;
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ShaderCompiler compiler;
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RID default_shader;
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RID default_material;
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RID default_shader_rd;
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} sky_shader;
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struct SkyMaterialData : public RendererRD::MaterialStorage::MaterialData {
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SkyShaderData *shader_data = nullptr;
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RID uniform_set;
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bool uniform_set_updated;
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virtual void set_render_priority(int p_priority) {}
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virtual void set_next_pass(RID p_pass) {}
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virtual bool update_parameters(const HashMap<StringName, Variant> &p_parameters, bool p_uniform_dirty, bool p_textures_dirty);
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virtual ~SkyMaterialData();
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};
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struct Sky {
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RID radiance;
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RID quarter_res_pass;
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RID quarter_res_framebuffer;
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Size2i screen_size;
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RID uniform_set;
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RID material;
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RID uniform_buffer;
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int radiance_size = 256;
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RS::SkyMode mode = RS::SKY_MODE_AUTOMATIC;
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ReflectionData reflection;
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bool dirty = false;
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int processing_layer = 0;
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Sky *dirty_list = nullptr;
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float baked_exposure = 1.0;
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//State to track when radiance cubemap needs updating
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SkyMaterialData *prev_material = nullptr;
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Vector3 prev_position;
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float prev_time;
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void free();
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RID get_textures(SkyTextureSetVersion p_version, RID p_default_shader_rd, Ref<RenderSceneBuffersRD> p_render_buffers);
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bool set_radiance_size(int p_radiance_size);
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bool set_mode(RS::SkyMode p_mode);
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bool set_material(RID p_material);
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Ref<Image> bake_panorama(float p_energy, int p_roughness_layers, const Size2i &p_size);
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};
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uint32_t sky_ggx_samples_quality;
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bool sky_use_cubemap_array;
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Sky *dirty_sky_list = nullptr;
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mutable RID_Owner<Sky, true> sky_owner;
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int roughness_layers;
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RendererRD::MaterialStorage::ShaderData *_create_sky_shader_func();
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static RendererRD::MaterialStorage::ShaderData *_create_sky_shader_funcs();
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RendererRD::MaterialStorage::MaterialData *_create_sky_material_func(SkyShaderData *p_shader);
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static RendererRD::MaterialStorage::MaterialData *_create_sky_material_funcs(RendererRD::MaterialStorage::ShaderData *p_shader);
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SkyRD();
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void init();
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void set_texture_format(RD::DataFormat p_texture_format);
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~SkyRD();
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void setup_sky(RID p_env, Ref<RenderSceneBuffersRD> p_render_buffers, const PagedArray<RID> &p_lights, RID p_camera_attributes, uint32_t p_view_count, const Projection *p_view_projections, const Vector3 *p_view_eye_offsets, const Transform3D &p_cam_transform, const Projection &p_cam_projection, const Size2i p_screen_size, Vector2 p_jitter, RendererSceneRenderRD *p_scene_render);
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void update_radiance_buffers(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, const Vector3 &p_global_pos, double p_time, float p_luminance_multiplier = 1.0);
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void update_res_buffers(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, double p_time, float p_luminance_multiplier = 1.0);
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void draw_sky(RD::DrawListID p_draw_list, Ref<RenderSceneBuffersRD> p_render_buffers, RID p_env, RID p_fb, double p_time, float p_luminance_multiplier = 1.0);
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void invalidate_sky(Sky *p_sky);
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void update_dirty_skys();
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RID sky_get_material(RID p_sky) const;
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RID sky_get_radiance_texture_rd(RID p_sky) const;
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float sky_get_baked_exposure(RID p_sky) const;
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RID allocate_sky_rid();
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void initialize_sky_rid(RID p_rid);
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Sky *get_sky(RID p_sky) const;
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void free_sky(RID p_sky);
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void sky_set_radiance_size(RID p_sky, int p_radiance_size);
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void sky_set_mode(RID p_sky, RS::SkyMode p_mode);
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void sky_set_material(RID p_sky, RID p_material);
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Ref<Image> sky_bake_panorama(RID p_sky, float p_energy, bool p_bake_irradiance, const Size2i &p_size);
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};
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} // namespace RendererRD
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#endif // SKY_RD_H
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